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11^th July 2019, Hengli commissions unit at Dalian complex

Hengli Petrochemical (Dalian) Co. Ltd. has started up the world’s largest catalytic dehydrogenation plant at its integrated 400,000-b/d crude-to-paraxylene refining and petrochemical project in Hengli Petrochemical Industrial Park (HPIP) on Changxing Island in Dalian, Liaoning Province, China.

The single-train dehydrogenation unit uses proprietary CATOFIN catalyst and heat-generating material from McDermott International Inc. division Lummus Technology’s catalyst partner Clariant International Ltd. to process 500,000 tonnes/year of propane and 800,000 tpy of isobutane for production of propylene and isobutylene, McDermott said on July 11.

Alongside technology licensing, McDermott also provided the process design package, training, and technical support for the new propane dehydrogenation unit, the service provider said.